mirror of
https://github.com/SatDump/SatDump
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47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
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#include "dvb_mpe.h"
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namespace mpeg_ts
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{
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void MPEHeader::parse(uint8_t *frm)
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{
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table_id = frm[0];
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section_syntax_indicator = frm[1] >> 7;
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private_indicator = (frm[1] >> 6) & 1;
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section_length = (frm[1] & 0x0F) << 8 | frm[2];
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mac_address_6 = frm[3];
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mac_address_5 = frm[4];
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payload_scrambling_control = (frm[5] >> 4) & 0b11;
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address_scrambling_control = (frm[5] >> 2) & 0b11;
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llc_snap_flag = (frm[5] >> 1) & 1;
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current_next_indicator = frm[5] & 1;
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section_number = frm[6];
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last_section_number = frm[7];
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mac_address_4 = frm[8];
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mac_address_3 = frm[9];
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mac_address_2 = frm[10];
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mac_address_1 = frm[11];
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}
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void IPv4Header::parse(uint8_t *frm)
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{
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version = frm[0] >> 4;
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ihl = frm[1] & 0x0F;
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dscp = frm[2] >> 2;
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ecn = frm[2] & 0b11;
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total_length = frm[3] << 8 | frm[4];
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idenditication = frm[5] << 8 | frm[6];
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flags = frm[7] >> 5;
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fragment_offset = (frm[7] & 0b11111) << 8 | frm[8];
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time_to_live = frm[9];
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protocol = frm[10];
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header_checksum = frm[22] << 8 | frm[11];
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source_ip_1 = frm[12];
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source_ip_2 = frm[13];
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source_ip_3 = frm[14];
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source_ip_4 = frm[15];
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target_ip_1 = frm[16];
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target_ip_2 = frm[17];
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target_ip_3 = frm[18];
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target_ip_4 = frm[19];
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}
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};
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